A) + 10 dioptres
B) - 10 dioptres
C) - 5 dioptres
D) +5 dioptres
Correct Answer: D
Solution :
\[f=\frac{R}{2(\mu -1)}\]\[\Rightarrow P=\frac{2(\mu -1)}{R}=\frac{2(1.5-1)}{0.2}=+\,5\,D\]You need to login to perform this action.
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